disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
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@@ -10,6 +10,9 @@
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  *
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  * Defined in such a way that we can optimize away code block at build time
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  * if CONFIG_HUGETLB_PAGE=n.
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+ *
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+ * returns true for pmd migration entries, THP, devmap, hugetlb
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+ * But compile time dependent on CONFIG_HUGETLB_PAGE
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  */
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 static inline int pmd_huge(pmd_t pmd)
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 {
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@@ -56,9 +59,6 @@
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 	BUG();
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 }
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-#else /* !CONFIG_HUGETLB_PAGE */
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-static inline int pmd_huge(pmd_t pmd) { return 0; }
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-static inline int pud_huge(pud_t pud) { return 0; }
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 #endif /* CONFIG_HUGETLB_PAGE */
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 static inline int remap_4k_pfn(struct vm_area_struct *vma, unsigned long addr,